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Re: Why does the laptop battery last longer with Windows than with Debian?

On Wed, 6 May 2009 13:01:59 +0000
Tzafrir Cohen <tzafrir@cohens.org.il> wrote:

> On Sat, May 02, 2009 at 03:45:17PM +0200, Kaixi Luo wrote:
> > Hello,
> > I'm a new Linux user  (currently using Debian 5 testing) and I've noticed
> > that the battery of my laptop used to last much longer with Windows Vista (4
> > hours)  than with Debian (2.5 hours). How's that possible?I mean, Debian
> > uses much less RAM (250 MB) than Vista (1 GB).
> Speculation:
> Less memory may mean more disk activity as you need more swapping and

I think he meant that debian uses less memory, not has less memory.

> have less memory to cache access to the disk. More disk activity
> probably increases the power consumption (if the disk can't rest).

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